function start(){
	var place = document.getElementById('place');
	var log = chrome.extension.getBackgroundPage().llog;

	alert(log.length);
	for (var i = 0; i < log.length; i++) {
		alert(i);
	    var data = log[i];
	    var str = "<b>"+data['id']+"</b>";
	    var elem = document.createElement('li');
	    elem.innerHTML = str;
	    alert(elem);   
	}
}